NL7513203A - DEVICE FOR ESTABLISHING EARTH CONNECTIONS. - Google Patents
DEVICE FOR ESTABLISHING EARTH CONNECTIONS.Info
- Publication number
- NL7513203A NL7513203A NL7513203A NL7513203A NL7513203A NL 7513203 A NL7513203 A NL 7513203A NL 7513203 A NL7513203 A NL 7513203A NL 7513203 A NL7513203 A NL 7513203A NL 7513203 A NL7513203 A NL 7513203A
- Authority
- NL
- Netherlands
- Prior art keywords
- earth connections
- establishing earth
- establishing
- connections
- earth
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/34—Testing dynamo-electric machines
- G01R31/346—Testing of armature or field windings
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/16—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to fault current to earth, frame or mass
- H02H3/17—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to fault current to earth, frame or mass by means of an auxiliary voltage injected into the installation to be protected
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Emergency Protection Circuit Devices (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH1518474A CH579840A5 (en) | 1974-11-14 | 1974-11-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
NL7513203A true NL7513203A (en) | 1976-05-18 |
Family
ID=4407066
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL7513203A NL7513203A (en) | 1974-11-14 | 1975-11-11 | DEVICE FOR ESTABLISHING EARTH CONNECTIONS. |
Country Status (4)
Country | Link |
---|---|
CH (1) | CH579840A5 (en) |
DE (1) | DE2458530C2 (en) |
FR (1) | FR2291633A1 (en) |
NL (1) | NL7513203A (en) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2558264B1 (en) * | 1984-01-18 | 1986-08-29 | Forclum | METHOD FOR MONITORING THE ISOLATION STATE OF CONDUCTORS OF AN ELECTRICAL NETWORK |
DE9006605U1 (en) * | 1990-06-12 | 1990-08-16 | Brinkmann, Heinz-Jürgen, 4322 Sprockhövel | Circuit monitoring on movable closing edges |
DE9210351U1 (en) * | 1992-07-31 | 1992-10-01 | Siemens AG, 8000 München | Rotor earth fault monitoring device |
DE4329381A1 (en) * | 1993-09-01 | 1995-03-02 | Abb Management Ag | Method for detecting earth faults on the conductors of an electrical machine |
DE4339946A1 (en) * | 1993-11-24 | 1995-06-01 | Walther Bender Gmbh & Co Kg Di | Method and device for monitoring the insulation of unearthed direct and alternating current networks |
ATE520996T1 (en) * | 1996-04-01 | 2011-09-15 | Lockheed Corp | COMBINED LASER/FLIR OPTICAL SYSTEM |
AT411937B (en) * | 2000-08-11 | 2004-07-26 | Adaptive Regelsysteme Ges M B | METHOD AND DEVICE FOR DETECTING AND LOCATING HIGH-RESISTANCE SINGLE-POLE EARTH ERRORS |
DE102008005687A1 (en) * | 2008-01-23 | 2009-08-06 | Siemens Aktiengesellschaft | Control device for safe reconnection of a residual current circuit breaker |
US11539200B2 (en) | 2018-03-16 | 2022-12-27 | Littelfuse, Inc. | Monitor device, ground fault protection circuit and techniques |
US11108222B2 (en) | 2018-03-16 | 2021-08-31 | Littelfuse, Inc. | Monitor device, ground fault protection circuit and techniques |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1125529B (en) * | 1960-05-10 | 1962-03-15 | Siemens Ag | Selective earth fault protection |
FR1445625A (en) * | 1965-05-31 | 1966-07-15 | Comp Generale Electricite | Method for detecting and locating insulation faults in electrical networks and device for its implementation |
DE2115807C3 (en) * | 1971-04-01 | 1974-10-17 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Earth fault protection device for electrical devices with star-connected windings |
-
1974
- 1974-11-14 CH CH1518474A patent/CH579840A5/xx not_active IP Right Cessation
- 1974-12-11 DE DE19742458530 patent/DE2458530C2/en not_active Expired
-
1975
- 1975-11-07 FR FR7534093A patent/FR2291633A1/en active Granted
- 1975-11-11 NL NL7513203A patent/NL7513203A/en not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
DE2458530A1 (en) | 1976-05-20 |
DE2458530C2 (en) | 1986-11-06 |
CH579840A5 (en) | 1976-09-15 |
FR2291633A1 (en) | 1976-06-11 |
FR2291633B1 (en) | 1982-04-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
BA | A request for search or an international-type search has been filed | ||
BB | A search report has been drawn up | ||
BC | A request for examination has been filed | ||
A85 | Still pending on 85-01-01 | ||
BV | The patent application has lapsed |